A decade-long study demonstrates that a population of invasive sea lamprey (Petromyzon marinus) can be controlled by introducing sterilized males
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Abstract
The release of sterilized insects to control pest populations has been used successfully during the past 6 decades, but application of the method in vertebrates has largely been overlooked or met with failure. Here, we demonstrate for the first time in fish, that a small population of sea lamprey (Petromyzon marinus; Class Agnatha), arguably one of the most impactful invasive fish in the world, can be controlled by the release of sterilized males. Specifically, the release of high numbers of sterile males (~ 1000's) into a geographically isolated population of adult sea lamprey resulted in the first multiyear delay in pesticide treatment since treatments began during 1966. Estimates of percent reduction in recruitment of age-1 sea lamprey due to sterile male release ranged from 7 to 99.9% with the precision of the estimate being low because of substantial year-to-year variability in larval density and distribution. Additional monitoring that accounts for recruitment variability in time and space would reduce uncertainty in the degree to which sterile male release reduces recruitment rates. The results are relevant to vertebrate pest control programs worldwide, especially as technical opportunities to sterilize vertebrates and manipulate sex ratios expand.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A decade-long study demonstrates that a population of invasive sea lamprey (Petromyzon marinus) can be controlled by introducing sterilized males |
| Series title | Scientific Reports |
| DOI | 10.1038/s41598-024-61460-1 |
| Volume | 14 |
| Year Published | 2024 |
| Language | English |
| Publisher | Nature |
| Contributing office(s) | Great Lakes Science Center |
| Description | 12689, 10 p. |
| Country | United States |
| State | Michigan |
| Other Geospatial | Pigeon River, Sturgeon River, Maple River |
| Google Analytic Metrics | Metrics page |